Secondary recovery of oil by steam stimulation plus the...

Details Secondary recovery of oil by steam stimulation plus the... Secondary recovery of oil by steam stimulation plus the...

E - Fixed Constructions

21

B

166/35

E21B 43/24 (2006.01)

Patent

CA 1063015

SECONDARY RECOVERY OF OIL BY STEAM STIMULATION PLUS THE PRODUCTION OF ELECTRICAL ENERGY AND MECHANICAL POWER (D#74,212-F) ABSTRACT OF THE DISCLOSURE The subject process pertains to the secondary re- covery of oil by the steam stimulation of an undergound oil reservoir. As an added benefit, mechanical power and/or electrical energy may be simultaneously produced. In the subject process, raw fuel gas is first produced by the par- tial oxidation in a free-flow gas generator of a hydrocarbona- ceous feed, such as preferably a portion of the oil recovered. The raw fuel gas is cleaned, purified, and burned in a gas turbine which drives a compressor or electric generator. The sensible heat in the raw fuel gas leaving the gas genera- tor and in the flue gas discharged from the gas turbine is recovered by the production of high quality steam. This steam is injected into subterranean formations and reservoirs to accelerate production and to provide additional oil recovery. -I-

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